B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/101, 18/934
B05D 3/12 (2006.01) A22C 13/00 (2006.01) B05D 7/22 (2006.01) B29C 47/00 (2006.01) B29C 47/02 (2006.01) C08J 5/04 (2006.01) D06B 3/10 (2006.01)
Patent
CA 1137722
ABSTRACT OF THE DISCLOSURE Disclosed is a process for the continuous manufacture of fiber-reinforced tubing based on cellulose hydrate, com- prising the steps of impregnating and coating fibrous tubing with an aqueous alkaline viscose solution; moving the vis- cose-treated tubing at a steady speed vertically in a straight line along its longitudinal axis; applying a vis- cose-regenerating fluid along at least one circular circum- ferential line to at least the outside of the viscose- treated fibrous tubing; immediately after the application step, passing the tubing with the film of regenerating fluid on its surface through at least one first air section, whereby there is produced a fiber-reinforced tubing based on cellulose hydrate; treating the cellulose hydrate tubing with an aqueous fluid containing a dissolved chemical plasticizer; and drying the plasticized tubing. Also dis- closed is an apparatus for carrying out this process.
330937
Becker Reinhold
Gord Herbert
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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